Question

factorise the following a²+b²+c²+2(ab+bc+ca)​

Answer 1

Answer:

Here is the solution

Step-by-step explanation:

a²+b²+2(ab+bc+ca)=

a²+b²+2ab+2(bc+ca)=

(a+b)²+2c(b+a)=

(a+b)²+2c(a+b)= (a+b)

(a+b+2c)